National Instruments NI-DNET manuali

Manuali dei proprietari e guide per l'utente per Hardware National Instruments NI-DNET.
We fornisce 1 manuali pdf National Instruments NI-DNET per scaricare gratuitamente in base al tipo di documento: Manuale Utente


Indice

DeviceNet

1

Important Information

3

Contents

4

Chapter 4

5

Appendix A

5

About This Manual

7

Conventions

8

Related Documentation

8

• LabVIEW online reference

9

• ODVA website

9

NI-DNET Software Overview

10

Configure DeviceNet Port

12

Change Protocol

12

NI-DNET Objects

13

Interface Object

14

Explicit Messaging Object

14

I/O Object

15

Using NI-CAN with NI-DNET

16

NI-DNET Hardware Overview

18

Developing Your Application

20

LabWindows/CVI

21

Microsoft Visual Basic

21

Microsoft C/C++

22

Borland C/C++

22

Other Programming Languages

23

Finished?

26

Step 1. Open Objects

27

Step 2. Start Communication

27

Communication Start

28

Step 4. Stop Communication

29

Step 5. Close Objects

29

Checking Status in LabVIEW

30

NI-DNET Programming

32

Techniques

32

Strobed I/O

33

Polled I/O

34

Background Polling

35

Individual Polling

36

Cyclic I/O

37

Change-of-State (COS) I/O

38

Automatic EPR Feature

38

Accessing I/O Members in C

42

Handling Multiple Devices

45

Object Handles

46

Main Loop

47

DeviceNet Overview

48

Appendix A DeviceNet Overview

49

I/O Connections

54

Bit Strobed I/O

55

Assembly Objects

58

Device Profiles

60

Cabling Requirements

61

Cable Specifications

66

Cable Lengths

66

Maximum Number of Devices

66

Cable Termination

67

Cabling Example

68

Troubleshooting and

69

Common Questions

69

Application In Use

70

Memory Resource Conflict

70

Interrupt Resource Conflict

70

Hardware Specifications

73

PXI-CAN Series

74

Port Characteristics

75

Electromagnetic Compatibility

75

CE Compliance

76

Technical Support and

77

Professional Services

77

Glossary

78

D0000 to D1FFF hex)

83





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